We don't have synonyms for hotbox yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are hatbox, hotbot and hot box.
°To smokemarijuana in a small confined area, such as the inside of a car, until it is full of smoke, thereby purportedly intensifying the drug's effects.
°To put out a cigarette just before entering a vehicle, then expel smoke in the vehicle.
°To smokemarijuana in a small confined area, such as the inside of a car, until it is full of smoke, thereby purportedly intensifying the drug's effects.
°To put out a cigarette just before entering a vehicle, then expel smoke in the vehicle.